Editorial group draft for the 12th REC session of the regulation on uniform provisions concerning the approval of Retrofit Emission Control Devices (REC) for heavy duty vehicles, agricultural and forestry tractors and non-road mobile machinery (NRMM) equipped with Compression Ignition engines.

Rev.00 of the editorial group working draft without markups.

Clean copy for the 12th REC session of the draft Amendment 1 (with transitional provisions) to the REC regulation under development.